Pranoto, Arfan Safut, and Wahyu Sri Utami. 2024. “Online Attendance and Leave Application Using Mobile Web-Based Location and Photo Coordination Validation (Application to the Housing, Residential Areas and Environment Office of Trenggalek Regency)”. Jurnal Indonesia Sosial Teknologi 5 (11):5040-52. https://doi.org/10.59141/jist.v5i11.7066.